Vintage EUC 12K gold filled brooch with carved cream resin rose in original box

Vintage EUC 12K gold filled brooch with carved cream resin rose in original box Exquisitely detailed rose brooch with delicate leaves in stamped 12K GF. Makers mark unknown, CJR or RJC? Similar to Russell Creations style but different logo. Original felt box in good condition for vintage. Pin functions with slight wear on back hinge and catch parts. Measures 1-3/8” to 1-1/2” with leaf overhang Pet and smoke free environment